Exchange ratio : বিনিময় অনুপাত;
Related Words
exchange greetings  exchange rate  exchange ratio  See Words Also In
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Appropriate Prepositions
Abound in(প্রাচুর্যপূর্ণ হওয়া): Fish abounds in the pond.
Ascend to (আরোহণ করা): karim began to ascend to the surface of wakefulness.
Competent for(যোগ্য): He is not competent for the post.
Make up of (গঠিত): Village is made up of many homes.
Render into (অনুবাদ করা): Render the passage into Bengap.
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Idioms
At the top of (শীর্ষে): The boy shouted at the top of his voice.
As a whole (মোটের উপর, সম্পূর্ন এক মনে করে-adv.) Look at life as a whole and you will see that it is meaningful.
Run into debt (ঋণগ্রস্ত হওয়া)— He ran into debt.
Square meal (পেট ভরা আহার): He is too poor to have a square meal everyday.
Up to (পর্যন্ত) - I have done the exercises up to page 40.